Enable 5.16 branch on travis

TheMarex · TheMarex · commit 8a4466010246 · 2018-02-10T00:36:49.000Z
diff --git a/.travis.yml b/.travis.yml
@@ -13,6 +13,7 @@ notifications:
 branches:
   only:
     - master
+    - "5.16"
     # enable building tags
     - /^v\d+\.\d+(\.\d+)?(-\S*)?$/
 
